cal fees and taxes. >> reporter: it was adjusted to 6.97. but bill nussbaum of a watchdog group says pay phone companies can charge whatever they want because pay phone prices aren't regulated and what's more, sfo gets a big chunk of change. court this contract the airport gets 5 -- according to this contract the airport gets 55% of what they take in more than 332,000 in the past five years. >> it's not our system. it's a third party system. >> reporter: sfo spokesman mike mckarin says they are owned and operated out of danville and they set the rates and he points out there aren't many other options. >> ten years ago we had [ indiscernible ] put pay phones in. now we are lucky to get one bidder. >> reporter: consumers aren't so lucky. complaints and confusion about similar pay phone costs have prompted some airports to remove the phones and others like seattle and portland to put up signs outlining the cost of the card call something that probably won't happen here. >> we don't tell vendors just like we don't tell the stores how it market t